Radiation Safety

Question 1

4 types of errors:

Answer 1

1. Diagnostic
2. Treatment
3. Preventative
4. Other

Question 2

Errors are almost never isolated human errors, they have ___.

Answer 2

multiple factors

Question 3

2 error types:

Answer 3

1. active

2. latent

Question 4

3 active errors:

Answer 4

1. mistakes
2. negligence
3. incompetence

Question 5

point of contact where error is made, involves frontline personnel – RTTs (treatment), dosimetrist (dose) plan, MD (area) dx, physicist (calibration)

Answer 5

active error

Question 6

failures in design upstream in the process which allow inevitable active errors to cause harm (“setup to fail”)

Answer 6

latent error

Question 7

failures of planned behavior or lapse in concentration; attentional failure
Occur during competing sensory or emotional distractions, fatigue, or stress (type of active error)

Answer 7

Slips

Question 8

failures of memory

Often occur during routine tasks (type of active error)

Answer 8

lapses

Question 9

Incorrect choices, lack of experience, insufficient training, negligence are all ____ mistakes (intentional or unintentional?)

Answer 9

unintentional

Question 10

Violations are ___ mistakes (intentional or unintentional?)

Answer 10

intentional

Question 11

2 types of mistakes

Answer 11

1, rule-based errors

2. knowledge-based errors

Question 12

Misapply a good rule
Misread situation, apply wrong solution
Apply a bad rule
Rule has an undetected flaw are all ___ errors (a type of mistake)

Answer 12

rule-based errors

Question 13

Didn’t notice bolus was not placed is an example of ___

Answer 13

skill-based slips and lapse

Question 14

“I know this patient; I don’t need to read the prescription today.” is an example of a ___

Answer 14

rule-based error

Question 15

Work arounds and lack of attention to the consequences are ___

Answer 15

rule-based errors

Question 16

Society, Cultural, Regulatory Factors
Organization/Management
Team Factors
Environmental Factors
Individual Factors are all \_\_\_\_ errors.

Answer 16

latent

Question 17

Motion enable switch on couch pendant

Entering password to acknowledge messages are examples of ___

Answer 17

constraints and forcing functions